Home / 3,238.01-4,468.70-1,821.86

Finding the Fourth Proportional to 3,238.01, 4,468.70 and 1,821.86

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Solution

The fourth proportional to 3,238.01, 4,468.70 and 1,821.86 is: 2,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.01 : 4,468.70 = 1,821.86 : x
  2. Step 2: Convert to fraction form
    3,238.01/4,468.70 = 1,821.86/x
  3. Step 3: Cross multiply
    3,238.01x = 4,468.70 × 1,821.86
  4. Step 4: Simplify right side
    3,238.01x = 8,141,345.78
  5. Step 5: Solve for x
    x = 8,141,345.78/3,238.01
  6. Step 6: Final answer
    x = 2,514.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.